NEO-F0

NEO-F0 chip found on a MV1S MVS board.

MVS specific chip.

Handles the UPD4990 calendar access, dipswitches, cab switches (test, service...), coin counters, LED marquee outputs and slot selection signals for multi-slot boards.

Pinout

File:Neo-f0 pinout.png

• A4~A7: 68k address bus
• D0~D7: 68k data bus
• 4990: uPD4990 RTC interface
• DATA0~DATA7: LED marquee latch data
• SLOT*: /CS for multislot boards ?
• DIP00~DIP07: Dipswitch inputs

MV1F:

• IN00: Ground
• IN01: Test switch
• IN300: P1 Coin switch
• IN301: P2 Coin switch
• IN302: Service switch
• IN303/IN304: VCC